<template>
    <div class="header">
        <van-icon name="arrow-left" class="icon" @click="toBack" />
        <div>{{ title }}</div>
        <div class="edit" v-if="edit" @click="handleEdit">
            {{store.state.edit ? "编辑" : "完成"}}
        </div>
    </div>
</template>
<script>
import { Toast } from 'vant';
import { useRouter } from 'vue-router';
import { useStore } from 'vuex';
export default{
    props: ["title","edit"],
    setup(){
        const router = useRouter();
        const store = useStore();
        const toBack = ()=>{
            router.back();
        };
        const handleEdit=()=>{
            if(store.state.cartList.length){
                store.commit("edit");
                store.commit("changeDelete");
            }else{
                Toast.fail("请添加商品到购物车");
            }
        };
        return {
            toBack,
            handleEdit,
            store,
        };
    },
};
</script>

<style lang="less" scoped>
.header{
    background-color: #fff;
    height: 40px;
    font-size: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    border-bottom: 1px solid #d7d7d7;
    .edit{
        font-size: 16px;
        position: absolute;
        right: 15px;
        font-weight: normal;
    }
    .icon {
        position: absolute;
        left: 10px;
    }
}
</style>